dnssec-tools software package provides DNSSEC tools, applications and wrappers, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dnssec-tools
dnssec-tools is installed in your system.
Make ensure the dnssec-tools package were installed using the commands given below,
$ sudo dpkg-query -l | grep dnssec-tools *
You will get with dnssec-tools package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | dnssec-tools |
| Version | 2.2-2 |
| Description | DNSSEC tools, applications and wrappers |
| Sub Section | Net |